Thomas Christlieb

a) is there a firewall? b) can you see the port in netstat -atulpen ?

Thanks for the thorough explaination. Very much appreciated!

Seems to me kind of pointless without having the backup file in question…

This is the shematic: https://github.com/LilyGO/TTGO-T8-ESP32/blob/master/Schematic.pdf

Try this one: https://github.com/LilyGO/TTGO-T8-ESP32/raw/master/t8_v1.7.1.pdf

I‘ve desoldered the SIL2104 and now the power consumption is down to 3.1 mA, better, but far from the uA the ESP32 is capable of!

The problems seems to be that VDD_SDIO stays at 3.3V in deepsleep, so flash and psram do not get powered down.

Some news here: 1. VDD_SDIO does not go low when entering deepsleep. It seems that the Resistor R20 is placed on the board and pulling VDD_SDIO to 3.3V. Removing it...

After blowing the power IC completely from the board the power consumption is down to 100 µA - getting there! Any hints what should be blown off next? Some pullup...

Hi PureBasic, thank you very much for your answer! Is there anywhere a Layout of the board? The resistors are not marked on the PCB which makes it very hard...